I am a retired pharmacist and live in the United kingdom
Chestnut products market a Finishing oil ($27 per litre) see msd below
https://chestnutproducts.co.uk/wp-co...ishing-Oil.pdft
another Uk .company Barrettine market an indoor lamp oil ($5 per litre)
see msd. below
https://www.barrettinepro.co.uk/uplo...Lamp%20Oil.pdf
My question from a practical point of view could the indoor lamp oil be used as a substitute for the Chestnut finishing oil